期刊
DALTON TRANSACTIONS
卷 47, 期 40, 页码 14189-14194出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7dt04571a
关键词
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资金
- National Science Foundation Division of Chemistry (CHE) [NSF/CHE-1346572]
- National Science Foundation Division of Materials Research (DMR) [NSF/CHE-1346572]
- National Science Foundation [NSF/DMR-1531283, CHE-1151991, CHE-1308307]
- U.S. DOE [DE-AC02-06CH11357]
The quantitative, single step, self-assembly of a shape-persistent, three-dimensional C(3)v-symmetric, triptycene-based tris-terpyridinyl ligand initially gives a platonic-based cubic architecture, which was unequivocally characterized by 1D and 2D NMR spectroscopy, mass spectrometry, and single crystal X-ray structural analysis. The unique metal-ligand binding properties of the Cd2+ analogue of this construct give rise to a concentration-dependent dynamic equilibrium between cube, prism, and tetrahedron-shaped architectures. Dilution transforms this cube into two identical tetrahedra through a stable prism-shaped intermediate; increasing the concentration reverses the process.
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